Some times we need to login to all the servers in SharePoint farm just to restart selected Application or Site Pool. Let's see a C# code how to retrieve and recycle selected pools from all the servers in our SharePoint farm. In this series will see How to retrieve all servers in SharePoint farm using C# PS: Please check the NOTE at the very end on this post. First things first import dll's using System ; using Microsoft.SharePoint ; using Microsoft.SharePoint.Administration ; using Microsoft.Web.Administration ; Declare global variables // Global enum Variables public enum Action { Start, Stop, Invalid } ; public enum PoolType { AppPool, SitePool } ; // Global Server variable public List<string> servers = null ; // Global Pool ' s collection variables public List<ApplicationPool> appPoolCollection = null ; public List<Site> siteCollection = null ; Get All SharePoint Farm server names public